<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Nov 25, 2016 at 11:05 AM, <span dir="ltr"><<a href="mailto:abang@t-ipnet.net" target="_blank">abang@t-ipnet.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class="gmail-">> responded to health check with ServFail<br>
<br></span>
You have to define a health check which works!<br>
<br>
>From documentation:<br>
<br>
newServer({address="ip:port", qps=1000, order=1, weight=10, pool="abuse", retries=5, tcpSendTimeout=30, tcpRecvTimeout=30, checkName="<a href="http://a.root-servers.net" target="_blank">a.root-servers.net</a>.<wbr>", checkType="A", setCD=false, maxCheckFailures=1, mustResolve=false, useClientSubnet=true, source="address|interface name|address@interface"}): instantiate a server with additional parameters<br>
<br>
See <br>
<a href="http://dnsdist.org/README" target="_blank">http://dnsdist.org/README</a>/<br>
<br>
Winfried<br>
<br></blockquote><div><br></div><div>To expand on this a little, the default check is to do an A lookup for <a href="http://a.root-servers.net">a.root-servers.net</a> which is ok for a recursive DNS server, but if you're putting dnsdist in front of an authoritative DNS server (if you're hosting your own zone you are) then you'll need to adjust your check to fit your environment. </div><div><div class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><div><br class="gmail-Apple-interchange-newline">Example:</div><div><div style="font-size:12.8px">newServer{address="<a href="http://192.168.3.3:5353/" target="_blank">192.168.3.3<wbr>:5353</a>", qps=10, order=1, checkName="<a href="http://myzone.com">myzone.com</a>"}</div><div style="font-size:12.8px">newServer{address="192.168.3.4<wbr>", qps=10, order=2<span style="font-size:12.8px">, checkName="<a href="http://myzone.com">myzone.com</a>"</span><span style="font-size:12.8px">}</span></div></div><div><br></div><div>Theodore Baschak - AS395089 - Hextet Systems</div><div><a href="https://ciscodude.net/" target="_blank">https://ciscodude.net/</a> - <a href="https://hextet.systems/" target="_blank">https://hextet.systems/</a></div><div><a href="http://mbix.ca/" target="_blank">http://mbix.ca/</a></div></div><div><br></div><div><br></div></div></div></div></div></div></div></div></div></div></div></div>